package com.exam.mapper;

import com.exam.domain.Rank;

import java.util.List;

/**
 * Created by jly on 2017/3/2.
 */
public interface RankMapper {
    /**
     * 查询所有等级
     *
     * @return: 返回数据库等级表所有内容
     * @Since: 2017-3-2
     * @author: jly
     * */
    List<Rank> allRanks();
}
